Oven-burner for combined solid and fluid fuel ranges.



L. MOORE.

OVEN BURNER run COMBINED souo AND FLUID FUEL RANGES.

APPLICATION FILED MAIL. 915.

1 ,267,576. Patented May 28, 1918.

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. L. MOORE. OVEN BURNER FOR COMBINED SOLID AND FLUID FUEL RANGES. APPLICATION FILED mn.29.1915.

1,267,576. Patented May 28, 1918.

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UNITED STATES PATENT OFFICE.

LEWIS MOORE, 0F JULIET, ILI INOIS, ASSIGNOB, TO MOORE BROTHERS COMPANY, OF

JOLIET. ILLINOIS, A CORPORATION OF ILLINOIS.

OVEN-BURNER FOR COMBINED SOLID AND FLUID FUEL RANGES.

To all whom it may concern Be it known that I, LEWIS Moons, a citizen of the United States, residing in J oliet, in the county of Will and State of Illinois, have invented a new and useful Improvement in Oven-Burners for Combined Solid and Fluid Fuel Ranges, of which the following is a specification.

My invention relates in general to cooking stoves and ranges such as are provided for domestic use, and has more particular reference to stoves of this character constructed and arranged for the utilization of both solid and fluid fuels. In ranges of this character it has been the custom to locate the grate for the solid fuel at one side of the oven and to carry the heated. products of combustion first across the top of the oven, then down alon the opposite side of the oven and therea er pass it beneath the bottom-of the oven and conduct it to the chimney through a suitable flue. Chambers have been provided beneath the ovens in stoves of this character constructed prior to my in vention in which the fluid burner for heating the oven, when gas or other fluid fuel is used, is located in a chamber beneath the bottom. It is particularly desirable that the gas or other fluid burner be located within the oven when gas or other fluid fuel is being used, for most effective heating, and it is also desirable that when solid fuel is used the oven be wholly closed to the atmosphere and unobstructed by the presence of burners and other members.

It is a principal object of this invention to provide such arrangements through the pro vision of parts so constructed and arranged that none of them need be removed or in-. stalled when it is desired to change the adjustment of the range for a different form of fuel.

A further object of the invention is the provision of a range of the character described having an oven which, when adjusted for the utilization of solid fuel, may be re-adjusted for the utilization of fluid fuel and vice versa through simple manipulation of a minimum numbenof parts.

A further object of the invention is the provision of a range possessing these and other advantages, which'may be cheaply constructed, of easy operation and control and which will be of strong and durable construction,

Specification of Letters Patent.

Application filed March 29, 1915.

Patented May 28, 1918.

Serial No. 17,871.

Other objects and advantages of the invention will be apparent as it is better understood from the following description When considered in connection with the accompanying drawing illustrating a preferred embodiment thereof.

Referring to the drawings,

Figure 1 is a perspective view of a range embodying my invention;

Fig. 2 is a horizontal section taken above the oven bottom;

Fig. 3 is a vertical section through the oven and the oven fluid burner on the line 3-3 of Fig. 2;

Fig. 4 is a somewhat similar view taken at right angles to the view shown in Fig. 3 on the line 44 of Fig. 2;

Fig. 5 is a topplan view of the oven burner chamber; and

Fig. 6 is a side elevation of the oven fluid burner.

While for the purposes of illustrating the invention a complete stove or range is shown on the drawing, it will be understood that the invention relates only to the oven and to the oven fluid burner and attendant parts. It is not therefore thought necessary to describe in detail the construction of the range shown. It may be mentioned, however, that the range is provided with a solid fuel. burner portion A located at one side of the oven B, the products of combustion of which pass over the top of the oven, thence down at the other side and out at the back G into a flue D which is adapted for connect-ion with a stove pipe, in turn connected in any suitable fashion with the chimney or other outlet.

The oven B consists of a bottom plate 10, a top plate 11, side plates 12 and rear plate 13 and a front formed of a pivoted door 14. The rear plate 13 of the oven may, if de sired, be the rear confining wall of the stove and the front pivoted door 14 forms a portion of the front of the stove. The bottom plate 10, however, is located above the bottom wall or plate 16 of the stove and forms the upper confining wall of that part of the passage for the heated products of combustion which is disposed beneath the oven. The range is provided with a burner chamber 17 beneath the oven and communicating therewith. This chamber in the present instance is formed of an upwardly extending boss 18 into which fits at 19 a downwardly extending collar 21 provided in the bottom plate 10 of the oven. A supply pipe 22, for gas or other fluid fuel, extends beneath the plate 16 from one side of the stove and is turned upwardly at 23 to provide a centrally disposed pipe end 2% in the burner chamher, the upper extremity of this pipe being preferably located just beneath the plane of the bottom plate 10. This pipe is held in place through a suitable bracket at 25 and is provided with the Bunsen opening 26 for connection with the main.

The confining walls of the burner chamber are provided with an inwardly extending flange 27 just beneath the collar 21, and this flange and the collar are slotted at 28 for a purpose to be hereinafter explained.

A combined valve and burner member 31 for closing communication between the burner chamber 17 and the interior of the oven and for heating the oven is provided. This member consists. in the present instance, of an upper plate or plate wall 32 and a downwardly extending hollow shank 38, the portion of the shank just beneath the plate or top wall 32 being enlarged, as indicated at 34:, and provided with a series of perforations 35 cxtendiu circumferentially and located an appreciab e distance beneath the top plate or Wall. The shank 33 is adapted to fit down over the end 24 of the oven fluid fuel supply pipe and slides freely thereon. The edge of the top Wall 32 of the burner extends beyond the enlarged portion 34 of the shank only sufficiently to permit it to engage a valve seat 36 formed at the top of the collar 21. The combined valve and burner member is provided with outwardly extending ribs 37 adapted to move in the slots 28 already described, the ribs 37 being cut away beneath an appropriate point 38 to.permit these ribs to rest upon the seat 36 when the member has been elevated until the ribs have moved out of the slots and then turned slightly to bring them out of register therewith. This is the position of the burner when burning, and it will be manifest from the drawing that the vertical length of the ribs above the points 38 is such that the burner holes or apertures 35 will be disposed above the bottom plate 10 of the oven When the burner is thus positioned.

The end 24 of the supply pipe and the formation of the walls defining the burning chamber serve as guides for the burner in its vertical movement. The burner is provided, as seen in Fig. l. with a recess 39 adapted to be engaged by a stove lifter and moved from lower to upper position and vice. versa. The top of the burner is, in for mation, very like a stove lid and the recess 39 like recesses provided for the engagement of a stove lifter in stove lids. A baffle plate 41' is provided to distribute the heat of the bw'uer throughout the oven. This baffle plate rests upon ribs 12 provided upon the side walls 12 of the oven and has cut away portions 43 to permit the ready assage of the products of combustion of the gas burner. These products of combustion are let into a cross fine 14: formed between the plate 11 and a sheet 15, as indicated in Fig. 3. The cross fine it communicates with the flue D at the back of the stove, a suitable damper -16 being provided to control communication between the oven and the flue 44.

It will be manifest that the burner may be elevated and lowered merely through the use of a stove lifter and when in elevated position will. burn within the oven itself, having a ready supply of air of combustion through the fluid fuel supply pi e and through the chamber 17. The be e plate 41 may be positioned at any hei ht desired above the flame for hottest coo ing being located upon the lowermost pair of ribs 42 and for slower cooking upon higher ribs. This baille plate may be removed by merely sliding it out. of position. This last men tioned operation may be desirable in adjusting the burner from one position to another.

It will be obvious also that the parts of the stove are simple and of strong, durable construction, and it is thought that the invention and many of its attendant advantages will be understood from the foregoing description, and it will be apparent t t various changes may be made in the fo 1p, construction and arrangement of the paits without departing from the spirit and scope of the invention or sacrificing any of its material advantages. the form hereinbefore (19-; scribed being merely a preferred embodi ment thereof.

I claim:

1. A range provided with an oven a d having a burner chamber therebeneath opdit ing into able valve and burner member adapted when in one position to close communication be tween said oven and said chamber and when in a second position to provide a burner above the oven bottom.

2. A range provided with an oven and having a burner chamber therebeneath opening into the bottom of said oven, a movable valve and burner member adapted when in one position to close communication between said oven and said chamber and when in a second position to provide a burner above the oven bottom. and a baffle plate located above the last mentioned position of said burner.

3. A range provided with an oven an having a burner chamber therebeneath opena ing into the bottom of said oven, and a vertically movable burner member in said chamber, said member being guided in its movement by the walls defining said chamher and being rotatable when in elevated pothe bottom of said oven. and a mov the iso

sition to engage above the guiding portions of said wall for retaining said member in upper position.

4-. A range provided with an oven and having a burner chamber therebeneath opening into the bottom of said even, a fluid fuel supply pipe extending upwardly in said chamber, and a vertically movable burner slidably embracing the end of said pipe, said burner being movable on said supp y pipe from an inoperative position beneath the oven bottom to a. burning position above the oven bottom.

5. A range provided with an oven and having a burner chamber beneath said oven, a fluid fuel supply pipe extending upwardly into said chamber, and a combined valve and burner member embracing the end of said pipe, the confining walls of said chamber and said member being provided with cooperating elements for guiding said member in its movement on said pipe and for retaining it in elevated burning position.

6. A range provided with an oven and having a burner chamber therebeneath, and a burner provided with horizontal jet openings in its side for projecting the flame jets laterally in all directions, and movable vertically from an inoperative position within the burner chamber and beneath the baking space up into the baking space of said oven with the jet openings above the oven bottom.

7. A range provided with an oven and having a burner chamber therebeneath and communicating therewith, a combined valve and burner member vertically movable from a position in said chamber to above the oven bottom, said member being provided with a flange adapted to rest upon the oven bottom to seal said chamber from said oven when the burner is in lower position, and provided also with humor apertures beneath said flange, said apertures being adapted to be disposed above the oven bottom when the member is elevated to burning position,

8. A range provided with an oven and having a burner chamber therebeneath and communicating therewith. a combined valve and burner member vertically movable from a position in said chamber to above the oven bottom, said member being provided with a flange adapted to rest upon the oven bottom to seal said chamber from said oven when the' rner is in lower position, and provided also with burner apertures beneath said flange, said apertures being adapted to be disposed above the oven bottom when the member is elevated to burning position, and means for retaining said combined valve and burner member in elevated position.

9. A range provided with an oven and having a burner chamber therebeneath, a combined valve and burner member, said member having guide ribs on its seat and the confining walls of said member having slots through which said ribs move, said member being rotatable when in elevated position to move said ribs out of said slots to retain said member in elevated position.

10. In a combined coal and gas range, an oven having an opening through the bottom thereof, a burner having a part arranged within said opening and movable from a position in which it projects into the oven to a position in which said opening is closed and the top of the burner lies flush with the top of the bottom wall of the oven.

11. In a combined coal and gas range, an oven having an air inlet opening extending through one wall thereof, a burner having a part adapted to cooperate with said opening to vary the effective area thereof, and means whereby said burner may be moved.

12. A range provided with an oven, and having a burner chamber therebeneath, a baffle plate positioned in said oven, and a burner in said chamber when in inoperative v position and movable vertically out of said chamber and into the baking space of said oven and into proximity with said baflle plate into burning position.

13. In a combined coal and gas range, an oven having an opening through the bottom thereof, a burner arranged Within said opening and movable from a position in which it closes the same with the upper surface there of lying in the plane of the top of the bottom wall of the oven to a position in which the burner projects upwardly into the oven, a flat plate having a solid central portion and perforated at the edges, and means for supporting said plate at various elevations in the oven in the same manner that the trays or shelves in the oven of the ordinary coal range are supported, whereby said plate will serve as a flame spreader While gas is being burned and as an ordinary tray or shelf when coal is being burned.

Signed in the presence of two subscribing witnesses.

LEWIS MOORE.

Witnesses:

LEAFIE PAIGE, B. W. MILLS.

0071:: of thin patent may be obtained for the cent: each, by addressing the "commissioner of 2mm,

Washington, D, 0. 

